java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.logsizewrapperfluid.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK --sifa.max.parallel.explicit.values 4 --sifa.sizelimitfluid.max.disjunctions 16 -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-ba7495b [2019-09-25 17:51:03,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-25 17:51:03,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-25 17:51:04,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-25 17:51:04,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-25 17:51:04,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-25 17:51:04,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-25 17:51:04,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-25 17:51:04,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-25 17:51:04,007 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-25 17:51:04,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-25 17:51:04,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-25 17:51:04,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-25 17:51:04,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-25 17:51:04,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-25 17:51:04,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-25 17:51:04,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-25 17:51:04,014 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-25 17:51:04,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-25 17:51:04,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-25 17:51:04,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-25 17:51:04,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-25 17:51:04,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-25 17:51:04,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-25 17:51:04,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-25 17:51:04,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-25 17:51:04,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-25 17:51:04,026 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-25 17:51:04,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-25 17:51:04,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-25 17:51:04,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-25 17:51:04,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-25 17:51:04,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-25 17:51:04,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-25 17:51:04,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-25 17:51:04,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-25 17:51:04,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-25 17:51:04,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-25 17:51:04,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-25 17:51:04,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-25 17:51:04,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-25 17:51:04,041 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-25 17:51:04,056 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-25 17:51:04,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-25 17:51:04,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-25 17:51:04,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-25 17:51:04,058 INFO L138 SettingsManager]: * Use SBE=true [2019-09-25 17:51:04,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-25 17:51:04,058 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-25 17:51:04,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-25 17:51:04,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-25 17:51:04,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-25 17:51:04,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-25 17:51:04,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-25 17:51:04,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-25 17:51:04,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-25 17:51:04,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-25 17:51:04,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-25 17:51:04,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-25 17:51:04,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-25 17:51:04,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-25 17:51:04,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-25 17:51:04,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-25 17:51:04,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:51:04,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-25 17:51:04,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-25 17:51:04,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-25 17:51:04,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-25 17:51:04,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-25 17:51:04,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-25 17:51:04,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: LogSizeWrapperFluid Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Max. Parallel Explicit Values -> 4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: SizeLimitFluid Max. Disjunctions -> 16 [2019-09-25 17:51:04,095 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-25 17:51:04,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-25 17:51:04,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-25 17:51:04,112 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-25 17:51:04,113 INFO L275 PluginConnector]: CDTParser initialized [2019-09-25 17:51:04,114 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-09-25 17:51:04,174 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd94656d7/4e4764daf04c4d64aa5e387a1e428b58/FLAGaca32e037 [2019-09-25 17:51:04,696 INFO L306 CDTParser]: Found 1 translation units. [2019-09-25 17:51:04,700 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product26.cil.c [2019-09-25 17:51:04,718 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd94656d7/4e4764daf04c4d64aa5e387a1e428b58/FLAGaca32e037 [2019-09-25 17:51:05,010 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd94656d7/4e4764daf04c4d64aa5e387a1e428b58 [2019-09-25 17:51:05,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-25 17:51:05,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-25 17:51:05,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-25 17:51:05,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-25 17:51:05,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-25 17:51:05,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:51:05" (1/1) ... [2019-09-25 17:51:05,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@596bf86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05, skipping insertion in model container [2019-09-25 17:51:05,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 05:51:05" (1/1) ... [2019-09-25 17:51:05,038 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-25 17:51:05,103 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-25 17:51:05,564 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:51:05,578 INFO L188 MainTranslator]: Completed pre-run [2019-09-25 17:51:05,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-25 17:51:05,727 INFO L192 MainTranslator]: Completed translation [2019-09-25 17:51:05,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05 WrapperNode [2019-09-25 17:51:05,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-25 17:51:05,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-25 17:51:05,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-25 17:51:05,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-25 17:51:05,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05" (1/1) ... [2019-09-25 17:51:05,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05" (1/1) ... [2019-09-25 17:51:05,763 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05" (1/1) ... [2019-09-25 17:51:05,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05" (1/1) ... [2019-09-25 17:51:05,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05" (1/1) ... [2019-09-25 17:51:05,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05" (1/1) ... [2019-09-25 17:51:05,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05" (1/1) ... [2019-09-25 17:51:05,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-25 17:51:05,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-25 17:51:05,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-25 17:51:05,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-25 17:51:05,815 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 05:51:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-25 17:51:05,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-25 17:51:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-25 17:51:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-25 17:51:05,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-25 17:51:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-25 17:51:05,894 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-25 17:51:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-25 17:51:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-25 17:51:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:51:05,895 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-25 17:51:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-25 17:51:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-25 17:51:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-25 17:51:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-25 17:51:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-25 17:51:05,897 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-25 17:51:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-25 17:51:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-25 17:51:05,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-25 17:51:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-25 17:51:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-25 17:51:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-25 17:51:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-25 17:51:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:51:05,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-25 17:51:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-25 17:51:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-25 17:51:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-25 17:51:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-25 17:51:05,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-25 17:51:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-25 17:51:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-25 17:51:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-25 17:51:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-25 17:51:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-25 17:51:05,902 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-25 17:51:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-25 17:51:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-25 17:51:05,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-25 17:51:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-25 17:51:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-25 17:51:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-25 17:51:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-25 17:51:05,904 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-25 17:51:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-25 17:51:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-25 17:51:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-25 17:51:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-25 17:51:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-25 17:51:05,906 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-25 17:51:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-25 17:51:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-25 17:51:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-25 17:51:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-25 17:51:05,907 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-25 17:51:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-25 17:51:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-25 17:51:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-25 17:51:05,908 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-25 17:51:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-25 17:51:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-25 17:51:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-25 17:51:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-25 17:51:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-25 17:51:05,909 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-25 17:51:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-25 17:51:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-25 17:51:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-25 17:51:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-25 17:51:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-25 17:51:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-25 17:51:05,910 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-25 17:51:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-25 17:51:05,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-25 17:51:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-25 17:51:05,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-25 17:51:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-25 17:51:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-25 17:51:05,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-25 17:51:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-25 17:51:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-25 17:51:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-25 17:51:05,914 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-25 17:51:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-25 17:51:05,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-25 17:51:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-25 17:51:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-25 17:51:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-25 17:51:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-25 17:51:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-25 17:51:05,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-25 17:51:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-25 17:51:07,441 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-25 17:51:07,442 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-25 17:51:07,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:51:07 BoogieIcfgContainer [2019-09-25 17:51:07,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-25 17:51:07,444 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-25 17:51:07,444 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-25 17:51:07,445 INFO L275 PluginConnector]: Sifa initialized [2019-09-25 17:51:07,446 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 05:51:07" (1/1) ... [2019-09-25 17:51:07,446 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=ExplicitValueDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=4 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=16 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-09-25 17:51:07,473 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-25 17:51:07,473 INFO L169 IcfgInterpreter]: Building call graph [2019-09-25 17:51:07,483 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-25 17:51:07,493 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-25 17:51:07,494 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-25 17:51:18,074 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 464 [2019-09-25 17:51:19,839 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2019-09-25 17:51:19,984 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:20,131 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:20,299 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2019-09-25 17:51:20,319 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 480 for LOIs [2019-09-25 17:51:20,380 INFO L199 IcfgInterpreter]: Interpreting procedure runTest with input of size 480 for LOIs [2019-09-25 17:51:20,386 INFO L199 IcfgInterpreter]: Interpreting procedure test with input of size 480 for LOIs [2019-09-25 17:51:21,061 WARN L191 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:51:21,510 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2019-09-25 17:51:21,718 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:51:21,889 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2019-09-25 17:51:22,073 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:51:22,379 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:51:22,665 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:51:23,013 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:23,418 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2019-09-25 17:51:23,764 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:51:24,030 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2019-09-25 17:51:24,346 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-25 17:51:24,580 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-25 17:51:24,841 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-25 17:51:25,090 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 532 [2019-09-25 17:51:25,421 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-25 17:51:25,808 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2019-09-25 17:51:26,648 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-25 17:51:27,150 INFO L199 IcfgInterpreter]: Interpreting procedure cleanup with input of size 1 for LOIs [2019-09-25 17:51:27,152 INFO L199 IcfgInterpreter]: Interpreting procedure timeShift with input of size 69 for LOIs [2019-09-25 17:51:27,220 INFO L199 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 63 for LOIs [2019-09-25 17:51:27,225 INFO L199 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 76 for LOIs [2019-09-25 17:51:27,233 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-25 17:51:27,234 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-25 17:51:27,236 INFO L193 IcfgInterpreter]: Reachable states at location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 490#(and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (<= ~waterLevel~0 2147483647) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0)) [2019-09-25 17:51:27,248 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-25 17:51:27,248 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-25 17:51:27,249 INFO L168 Benchmark]: Toolchain (without parser) took 22225.95 ms. Allocated memory was 137.9 MB in the beginning and 667.4 MB in the end (delta: 529.5 MB). Free memory was 85.9 MB in the beginning and 297.4 MB in the end (delta: -211.6 MB). Peak memory consumption was 318.0 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:27,250 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-25 17:51:27,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 703.23 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 85.7 MB in the beginning and 165.7 MB in the end (delta: -80.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:27,253 INFO L168 Benchmark]: Boogie Preprocessor took 85.56 ms. Allocated memory is still 199.8 MB. Free memory was 165.7 MB in the beginning and 161.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:27,254 INFO L168 Benchmark]: RCFGBuilder took 1629.38 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.4 MB in the beginning and 147.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:27,255 INFO L168 Benchmark]: Sifa took 19803.99 ms. Allocated memory was 223.3 MB in the beginning and 667.4 MB in the end (delta: 444.1 MB). Free memory was 147.3 MB in the beginning and 297.4 MB in the end (delta: -150.1 MB). Peak memory consumption was 293.9 MB. Max. memory is 7.1 GB. [2019-09-25 17:51:27,259 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 703.23 ms. Allocated memory was 137.9 MB in the beginning and 199.8 MB in the end (delta: 61.9 MB). Free memory was 85.7 MB in the beginning and 165.7 MB in the end (delta: -80.1 MB). Peak memory consumption was 21.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 85.56 ms. Allocated memory is still 199.8 MB. Free memory was 165.7 MB in the beginning and 161.4 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1629.38 ms. Allocated memory was 199.8 MB in the beginning and 223.3 MB in the end (delta: 23.6 MB). Free memory was 161.4 MB in the beginning and 147.3 MB in the end (delta: 14.1 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. * Sifa took 19803.99 ms. Allocated memory was 223.3 MB in the beginning and 667.4 MB in the end (delta: 444.1 MB). Free memory was 147.3 MB in the beginning and 297.4 MB in the end (delta: -150.1 MB). Peak memory consumption was 293.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 19763, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 193, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 127, TOOLS_POST_TIME[ms]: 12502, TOOLS_POST_CALL_APPLICATIONS: 55, TOOLS_POST_CALL_TIME[ms]: 156, TOOLS_POST_RETURN_APPLICATIONS: 48, TOOLS_POST_RETURN_TIME[ms]: 91, TOOLS_QUANTIFIERELIM_APPLICATIONS: 229, TOOLS_QUANTIFIERELIM_TIME[ms]: 12629, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12406, FLUID_QUERY_TIME[ms]: 13, FLUID_QUERIES: 195, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 71, DOMAIN_JOIN_TIME[ms]: 6620, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 47, DOMAIN_ISBOTTOM_TIME[ms]: 224, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 931, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 930, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 48, CALL_SUMMARIZER_CACHE_MISSES: 21, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12894, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12893, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 464, DAG_COMPRESSION_RETAINED_NODES: 196 - UnprovableResult [Line: 44]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 490#(and (= |#t~string8.offset| 0) (= |#t~string20.offset| 0) (= |#t~string55.offset| 0) (= |#t~string56.offset| 0) (= |#t~string29.offset| 0) (= |#t~string57.offset| 0) (= |#t~string67.offset| 0) (= |#t~string27.offset| 0) (= |#t~string14.offset| 0) (= |#t~string10.offset| 0) (= |#t~string58.offset| 0) (not (= ~pumpRunning~0 0)) (= |#t~string66.offset| 0) (= |#t~string64.offset| 0) (= ~head~0.base 0) (= |#t~string59.offset| 0) (= |#t~string12.offset| 0) (<= ~waterLevel~0 2147483647) (= ~cleanupTimeShifts~0 4) (= 0 ~waterLevel~0) (= |#t~string68.offset| 0) (= |#NULL.base| 0) (= |#t~string33.offset| 0) (= |#t~string65.offset| 0) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#t~string18.offset| 0) (= |#t~string25.offset| 0) (= |#t~string60.offset| 0) (= |#t~string22.offset| 0) (= |#t~string16.offset| 0) (= ~head~0.offset 0) (<= ~pumpRunning~0 2147483647) (<= 0 (+ ~waterLevel~0 2147483648)) (= |#t~string31.offset| 0) (= |#t~string69.offset| 0) (= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...